<!DOCTYPE HTML>
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title>window.open</title>
  <script type="text/javascript">
    function Wopen(){
      window.open('http://www.imooc.com','_blank','height=600,width=400,top=100,left=0');
    }
  </script>
</head>
<body>
<input name="button" type="button" onClick="Wopen()" value="点击我，打开新窗口!" / >
</body>
</html>